DwmQueryThumbnailSourceSize function (dwmapi.h)

Retrieves the source size of the Desktop Window Manager (DWM) thumbnail.

Syntax

HRESULT DwmQueryThumbnailSourceSize(
  [in]  HTHUMBNAIL hThumbnail,
  [out] PSIZE      pSize
);

Parameters

[in] hThumbnail

A handle to the thumbnail to retrieve the source window size from.

[out] pSize

A pointer to a SIZE structure that, when this function returns successfully, receives the size of the source thumbnail.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

See also

DWM Thumbnail Overview

Desktop Window Manager Overview

DwmUpdateThumbnailProperties